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How to manage with DVI interface?

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YUV

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Hi, All.

Most of all DVI receivers (I didn't inspect for all) have CTL pins (CTL1, -2, -3). Their functions are described as "General output control signal 1(2,3)". It is good opportunity to carry control signals for target device via DVI.
Unfortunately, I never have seen any applications of them.
Of course, if I made own DVI transmitter, I would make that management. But I would like to use a common VGA card with DVI output. So, I have no info about access to those pins on transmitter's side.
I have inspected CTL1..3 pins with oscilloscope - no one was changing.
Have somebody any info or, may be, met any software, which can manage those signals? Are there any standard soft libraries?
 

YUV

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spktu

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Did You find how to manage CTL1..3 signals of common VGA car

Did You find how to manage CTL1..3 signals of common VGA card?
 

YUV

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Unfortunately, I haven't found how to manage CTL1..3 signals. If you have luck to find that, let me know, please.
 

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